/*
 * Copyright (c) 2020 Giorgio Antonioli
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.fondesa.recyclerviewdivider.tint

import android.content.Context
import android.graphics.drawable.Drawable
import androidx.annotation.ColorInt
import com.fondesa.recyclerviewdivider.R
import com.fondesa.recyclerviewdivider.withAttribute

/**
 * Gets the tint color from the theme, which will tint the divider's [Drawable].
 * The default tint color can be defined with the attribute "recyclerViewDividerTint".
 * If its not defined, null will be returned.
 *
 * @return the tint color picked from the theme or null if it's not defined in the theme.
 */
@ColorInt
internal fun Context.getThemeTintColor(): Int? = withAttribute(R.attr.recyclerViewDividerTint) {
    getColor(0, -1).takeIf { it != -1 }
}
